@article{smith:1991:a693,
    author = {Smith, David M.},
     title = {Algorithm 693: A {FORTRAN} package for floating-point
              multiple-precision arithmetic},
   journal = {ACM Trans. Math. Software},
  fjournal = {Association for Computing Machinery. Transactions on
              Mathematical Software},
    volume = {17},
      year = {1991},
    number = {2},
     pages = {273–283},
      note = {Multiple-precision Fortran.},
      issn = {0098-3500},
       doi = {10.1145/108556.108585},
     links = {\GAMSmodule{TOMS}{693}{11366}},
     zblno = {0900.65037}}